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Corolla & Tercel Sedan

  1. Start engine and allow to warm to operating temperature. Connect tachometer to engine. Disconnect throttle switch connector. Using ohmmeter, put one terminal on throttle switch connector and other to carburetor body. Slowly raise engine speed.
  2. Check throttle position switch setting speed when ohmmeter shows continuity. Continuity setting speed is 1800 RPM on Corolla models and 1400 RPM on Tercel models. If setting speed is incorrect, adjust by turning throttle position switch adjusting screw.
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